CN205702223U - The protection device of pressing equipment - Google Patents

The protection device of pressing equipment Download PDF

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Publication number
CN205702223U
CN205702223U CN201620372931.9U CN201620372931U CN205702223U CN 205702223 U CN205702223 U CN 205702223U CN 201620372931 U CN201620372931 U CN 201620372931U CN 205702223 U CN205702223 U CN 205702223U
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CN
China
Prior art keywords
mechanical switch
pressing equipment
material strip
protection device
contact
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Active
Application number
CN201620372931.9U
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Chinese (zh)
Inventor
赵春江
苗露
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wenzhou Normal Intellectual Property Service Co ltd
Original Assignee
Zhejiang Chint Electrics Co Ltd
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Priority to CN201620372931.9U priority Critical patent/CN205702223U/en
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Publication of CN205702223U publication Critical patent/CN205702223U/en
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Abstract

A kind of protection device of pressing equipment; it pay-off including providing material strip for pressing equipment; protection device includes contacting the mechanical switch coordinated with material strip; material strip can release when walking to the greatest extent with mechanical switch contact cooperation; can be when material strip be walked to the greatest extent; effectively cut off electric signal and stop pressing equipment work, carry out stoppage protection, it is to avoid pressing equipment is damaged.Additionally, the stability of mechanical switch can be improved by coordinating of mechanical switch and material strip.

Description

The protection device of pressing equipment
Technical field
This utility model relates to material forming field, particularly relates to the protection device of a kind of pressing equipment.
Background technology
Pressing equipment is the processing equipment that is shaped raw material, and raw material is manufactured into specific shape and size by pressure processing by pressing equipment.In pressing process, if insufficient raw material in pressing equipment, pressing equipment can be made to suffer damage, need to stop pressing equipment and avoid fault, but owing to the working environment of pressing equipment is the most severe, the particularly reason such as greasy dirt and vibrations, so being difficult to detect accurately the feeding situation of pressing equipment, it is impossible to ensure pressing equipment trouble free service.And the position of material strip often changes, use the similar detection device fallout ratios such as infrared ray, photoswitch, proximity switch high, easily occur that material is not shut down to the greatest extent and material does not shut down mold damage phenomenon to the greatest extent, it is impossible to realize pressing equipment is carried out stable protection；The such scheme band that every time reloads is both needed to re-calibrate simultaneously, and employee's technology is required height.
Summary of the invention
The purpose of this utility model is to overcome the defect of prior art, it is provided that the protection device of the pressing equipment that a kind of simple in construction, reliability are high.
For achieving the above object, this utility model adopts the technical scheme that
A kind of protection device of pressing equipment; it pay-off 200 including providing material strip 210 for pressing equipment 100; protection device includes contacting the mechanical switch 400 coordinated with material strip 210; material strip 210 can release when walking to the greatest extent with mechanical switch 400 contact cooperations, make mechanical switch 400 trigger pressing equipment shutdown.
Optionally, described pay-off 200 includes the feed appliance 220 transmitting material strip 210 for pressing equipment 100, and feed appliance 220 is arranged on pressing equipment, and the mechanical switch 400 of protection device is arranged on the arrival end A of feed appliance 220.
Optionally, described pay-off 200 includes evener 230, and the mechanical switch 400 of protection device is arranged on the arrival end C of the evener 230 or port of export B of evener 230.
Optionally, the end that described mechanical switch 400 coordinates with material strip 210 is articulated with rolling member.
Optionally, described material strip 210 is positioned at the top side of the mechanical switch 400 of protection device, and material strip 210 is pressed on the driving plate 412 of mechanical switch 400 and contacts cooperation with mechanical switch 400.
Optionally, on the downside of the contact bar 421 of the mechanical switch 400 that described material strip 210 is positioned at protection device, coordinate with bar 421 contact that contacts of mechanical switch 400, stop that the contact bar 421 of mechanical switch 400 falls.
Optionally, described driving plate 412 includes contacting the rotation section 412b that the pressure portion 412a coordinated is connected and the connecting portion 412c connected between pressure portion 412a and rotation section 412b with the housing 411 of mechanical switch 400 with material strip 210, connecting portion 412c coordinates control mechanical switch 400 break-make with the trigger unit 415 on mechanical switch 400, is provided with reaction spring 414 between the housing 411 of connecting portion 412c and mechanical switch 400.
Optionally, described material strip 210 is positioned on the downside of mechanical switch 400, described mechanical switch 400 includes contact bar 421 and the contact plate 422 being electrically connected to each other, contact bar 421 is provided with the insulation division 4211 for electric insulation, contact bar 421 one end is against the top side of material strip 210 and electrically connects with contact plate 422, and when material strip 210 is walked to the greatest extent, insulation division 4211 falls to contacting with contact plate 422 with contact bar 421.
Optionally, described contact plate 422 is provided with for contacting the contact hole 4221 that bar 421 passes, contact hole 4221 is provided with the contact ring 4222 extending the loop configuration formed and contact bar 421 electrical connection along contact bar 421 axis, and contact ring 4222 sidewall uses the elastic construction of bending in ring.
Optionally, during described mechanical switch 400 can access the current supply circuit of pressing equipment 100；Or, in described mechanical switch 400 Access Control circuit, control circuit is accessed in the current supply circuit of pressing equipment 100 by the break-make of the current supply circuit of Control pressing equipment, relay.
The protection device of pressing equipment of the present utility model contacts cooperation by mechanical switch 400 with material strip 210; mechanical switch 400 monitors material strip 210 in pay-off 200; can be when material strip 210 be walked to the greatest extent; effectively cut off electric signal stopping pressing equipment 100 to work; carry out stoppage protection, it is to avoid pressing equipment is damaged.Additionally, the stability of mechanical switch 400 can be improved by mechanical switch 400 with coordinating of material strip 210.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model pressing equipment embodiment one；
Fig. 2 is the structural representation of the protection device of this utility model pressing equipment embodiment one；
Fig. 3 is the structural representation of this utility model pressing equipment embodiment two；
Fig. 4 is the structural representation of the protection device of this utility model pressing equipment embodiment two.
Detailed description of the invention
The embodiment be given below in conjunction with accompanying drawing 1 to 4, further illustrates the detailed description of the invention of the protection device of pressing equipment of the present utility model.The protection device of pressing equipment of the present utility model is not limited to the following description.
The protection device of pressing equipment of the present utility model as shown in Figure 1 includes the pressing equipment 100 to material strip 210 (raw material) pressure processing and carries the pay-off 200 of material strip 210 for pressing equipment 100, the protection device of pressing equipment of the present utility model includes contacting the mechanical switch 400 coordinated with material strip 210, can release when the material strip 210 on mechanical switch 400 is walked to the greatest extent with mechanical switch 400 contact cooperation, now mechanical switch 400 changes on off operating mode, and trigger pressing equipment 100 stoppage protection, prevent pressing equipment 100 from making equipment suffer damage because material strip 210 is not enough.Certainly, the protection device of pressing equipment 100 of the present utility model can also material strip on mechanical switch 400 200 when walking to the greatest extent at once or postpone to stop pressing equipment 100 and work.Wherein, the mechanical switch of protection device can be arranged on material strip 210 entrance or exit position, and material strip 210 has the tendency of inclination and is easy to coordinate with mechanical switch.Mechanical switch can be microswitch or other by contact realize break-make control switch element.
Concrete; described pay-off 200 includes the feed appliance 220 transmitting material strip 210 for pressing equipment 100; feed appliance 220 is arranged on the side being positioned at pressing equipment on pressing equipment 100; mechanical switch 400 can be arranged on the arrival end A of feed appliance 220 and contact cooperation with material strip 210; when the material strip 210 of feed appliance 220 arrival end A is walked to the greatest extent; the mechanical switch 400 of protection device releases and the cooperation that contacts of material strip 210, and stops pressing equipment 100 and work.Owing to the material strip 210 of the arrival end location A of feed appliance 220 has the tendency of inclination; so can strengthen, by protection device being arranged on the incoming-side location of feed appliance 220, the stability that protection device coordinates with material strip 210; and protection device can be directly installed on feed appliance 220, it is simple to user installs and debugs.Contacting cooperation for the ease of mechanical switch 400 with the material strip 210 in transmission, the end that mechanical switch 400 coordinates with material strip 210 is articulated with the rolling member (413,424) that cross section is circular configuration.
Further; described pay-off 200 also includes the evener 230 for transmitting material strip 210; evener 230 is arranged between feed appliance 220 and stockpile 240 position near stockpile 240; the mechanical switch 400 of protection device is arranged on the arrival end C of the evener 230 or port of export B of evener 230; when arrival end C or the port of export B material strip 210 of evener 230 are walked when using up; material strip 210 can release with mechanical switch 400 contact cooperation, make mechanical switch 400 trigger pressing equipment 100 and quit work.Owing to the arrival end C of evener 230 or the material strip 210 of port of export B location have the tendency of inclination, so can strengthen, by the arrival end C or port of export B location that mechanical switch 400 is arranged on evener 230, the stability that material strip 210 is monitored by mechanical switch 400, and it is easy to installation, maintenance and the debugging of mechanical switch 400.
The concrete structure of mechanical switch 400 in the first embodiment the most of the present utility model; material strip 210 is positioned at the top side of the mechanical switch 400 of protection device; the top side of mechanical switch 400 contacts cooperation with material strip 210; when pressing equipment 100 normally works, material strip 210 bottom is persistently pressed on the driving plate 412 of mechanical switch 400 and contacts cooperation with mechanical switch 400; when material strip 210 is walked to the greatest extent; material strip 210 can release with mechanical switch 400 contact cooperation, make mechanical switch 400 trigger pressing equipment 100 and shut down work.
Concrete, mechanical switch 400 in the present embodiment includes the driving plate 412 being arranged between material strip 210 and mechanical switch 400, and material strip 210 contacts cooperation by driving plate 412 with mechanical switch 400.Described driving plate 412 be articulated with in the end contacted with material strip 210 cross section be circular configuration press rolling member 413, contact with material strip 210 can reduce when material strip 210 moves by pressing rolling member 413, resistance between material strip 210 and driving plate 412, press rolling member 413 can be cylindrical structural can also be multiple spherical structures being arranged side by side, drive plate 412 can also use platy structure or shaft-like structure.Described driving plate 412 includes contacting the rotation section 412b that the pressure portion 412a coordinated is connected and the connecting portion 412c connected between pressure portion 412a and rotation section 412b with the housing 411 of mechanical switch 400 with material strip 210, connecting portion 412c coordinates control mechanical switch 400 break-make with the trigger unit 415 on the upside of the housing 411 of mechanical switch 400,412a end, pressure portion is articulated with and presses rolling member 413, is provided with reaction spring 414 between described connecting portion 412c and the housing 411 of mechanical switch 400.Drive plate 412 can use the lever construction of the present embodiment, make the sound contact of enclosure interior coordinate by the trigger unit 415 driving plate 412 driving mechanical formula switch 400.Certainly, the mechanical switch 400 in the present embodiment can also use press-button structure, is directly contacted with the bottom side of material strip 210 by button.
In the present embodiment when pressing equipment 100 normally works; material strip 210 persistently applies pressure to mechanical switch 400 by driving plate 412; plate 412 is driven to be pressed in trigger unit 415; when the material strip 210 on mechanical switch 400 is walked to the greatest extent; material strip 210 releases the pressure driving plate 412, and reaction spring 414 makes driving plate 412 leave trigger unit 415 and makes pressing equipment 100 stoppage protection.
As Fig. 3 and Fig. 4 illustrates the concrete structure of mechanical switch 400 in the second embodiment of the present utility model; in the present embodiment on the downside of the contact bar 421 of the mechanical switch 400 that material strip 210 is positioned at protection device; with mechanical switch 400 contact cooperation; stop that the contact bar 421 of mechanical switch 400 falls, change the state of switch.When pressing equipment 100 normally works, the mechanical switch 400 of protection device is against the top side of material strip 210, and when material strip 210 is walked to the greatest extent, contact bar 421 falls to making mechanical switch 400 change on off operating mode and make pressing equipment 100 quit work.
Concrete, described mechanical switch 400 includes contact bar 421 and the contact plate 422 being electrically connected to each other, contact bar 421 is provided with the insulation division 4211 for electric insulation, contact bar 421 one end is against the top side of material strip 210 and is stopped that contact bar 421 falls by material strip 210, when pressing equipment 100 normally works, contact bar 421 is stopped by material strip 210 and keeps electrically connecting with contact plate 332, when material strip 210 is walked to the greatest extent, material strip 210 releases the stop of docking feeler lever 421 makes contact bar 421 fall, insulation division 4211 falls to contacting with contact plate 422 with contact bar 421, and make the electrical connection between contact bar 421 and contact plate 422 release, pressing equipment 100 is made to carry out stoppage protection.The present embodiment realizes the break-make between contact bar 421 and contact plate 422 by the insulation division 4211 being arranged on contact bar 421 and coordinates, simple and compact for structure, makes mechanical switch 400 as a upside being integrally provided in material strip 210.Certainly, mechanical switch 400 of the present utility model can also be divided into two parts, a part including contact plate 422 is arranged on the downside of material strip 210, and the part comprising contact bar 421 is arranged on the upside of material strip 210, but so it produces and the complexity of assembling will be greatly increased.Additionally, the present embodiment can also use the mode of microswitch, lifted the drive rod of microswitch by material strip 210.
In the present embodiment, mechanical switch 400 is fixed by housing 423, contact plate 422 is arranged in the housing 423 of mechanical switch 400, contact bar 421 stretches out housing 334 coordinate through the contact plate 422 in housing 423 and housing, one end with material strip 210 top side, and the other end extends the opposite side of housing 334.
Concrete, described contact plate 422 is provided with for contacting the contact hole 4221 that bar 421 passes, contact hole 4221 is provided with the contact ring 4222 extending the loop configuration formed and contact bar 421 electrical connection along contact bar 421 axis, contact bar 421 to be electrically connected with contact plate 422 by contact ring 4222 when pressing equipment 100 normally works, when material strip 210 is walked to the greatest extent, the insulation division 4211 of contact bar 421 falls in contact ring 4222, makes contact bar 421 and contact plate 422 electric insulation.Bar 421 is contacted unstable with contact plate 422 loop when being possible not only to avoid material strip 210 to shake by the setting of contact ring 4222; degree of accuracy and the stability of the protection device of pressing equipment 100 of the present utility model can be improved, it is also possible to when contacting bar 421 and moving back and forth, its direction of motion is guided.
Further, as a kind of preferred implementation of the present embodiment, described contact ring 4222 sidewall uses the elastic construction of bending in ring, in order to raising contact ring 4222 and the stability contacting bar 421 cooperation.
Described contact bar 421 in the present embodiment is articulated with the jacking rolling member 424 that cross section is circular configuration in the one end contacted with material strip 210, jacking rolling member 424 can be cylindrical structural can also be multiple spherical structures being arranged side by side, contact bar 421 can also use platy structure or shaft-like structure.Contacted with material strip by jacking rolling member 424 and can reduce the resistance that contact bar 421 is subject to.
Concrete, described contact bar 421 includes that stretch out housing 423 contacts the jacking portion 421a of cooperation, extend the limiting section 421b of housing 423 opposite side and be connected between jacking portion 421a and limiting section 421b the contact site 421c coordinated with the contact ring 4222 of contact plate 422 with material strip 210, contact site 421c is provided with the insulation division 4211 for electric insulation, a kind of preferred implementation as the present embodiment, insulation division 4211 is the insulating sleeve being sleeved on contact bar 421, described limiting section 421b is provided with limited block 421d, jacking portion 421a and is articulated with jacking rolling member 424.
Protection device of the present utility model controls pressing equipment 100 by mechanical switch 400 and quits work, and mechanical switch 400 can access in the current supply circuit of pressing equipment 100.Of course for ensureing Electrical Safety, mechanical switch 400 preferably accesses in the control circuit of below 24V, control circuit goes to control the break-make of the current supply circuit of pressing equipment 100 again by relay, in the current supply circuit of relay access pressing equipment 100 (can also use the control mode of other non-relay).It is, of course, also possible to use other by mechanical switch can with trigger protection circuit form.Additionally, protection device also includes that accessing the miscellaneous equipment such as cumulative timer and siren increases clocking capability and warning function.
Protection device in the present embodiment is when pressing equipment 100 normally works; the contact bar 421 of mechanical switch 400 keeps the state stopped by material strip; contact bar 421 is electrically connected to form loop with contact plate 422; when the material strip 210 on the downside of mechanical switch 400 is walked to the greatest extent; contact bar 421 is unsettled and starts to fall; after the insulating sleeve of insulation division 4211 declines with contact bar 421 and falls completely within contact ring 4222; between contact bar 421 and contact plate 422, loop disconnects, and carries out stoppage protection by protection circuit stopping pressing equipment 100 work.Certainly; contact bar 421 in the present embodiment and contact plate 422 can also be separately positioned on top side and the bottom side of material strip 210; when material strip 210 is walked to the greatest extent, contact bar 421 falls and contacts formation electrical connection with the contact plate 422 of material strip 210 bottom side and makes pressing equipment 100 stoppage protection.
Above content is to combine concrete preferred implementation further detailed description of the utility model, it is impossible to assert that of the present utility model being embodied as is confined to these explanations.For this utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, it is also possible to make some simple deduction or replace, all should be considered as belonging to protection domain of the present utility model.

Claims (10)

1. the protection device of a pressing equipment; it is characterized in that: include providing the pay-off (200) of material strip (210) for pressing equipment (100); protection device includes contacting the mechanical switch (400) coordinated with material strip (210); material strip (210) can release when walking to the greatest extent with mechanical switch (400) contact cooperations, make mechanical switch (400) triggering pressing equipment shutdown.
The protection device of pressing equipment the most according to claim 1; it is characterized in that: described pay-off (200) includes the feed appliance (220) for pressing equipment (100) transmission material strip (210); feed appliance (220) is arranged on pressing equipment, and the mechanical switch (400) of protection device is arranged on the arrival end (A) of feed appliance (220).
The protection device of pressing equipment the most according to claim 1; it is characterized in that: described pay-off (200) includes evener (230), the mechanical switch (400) of protection device is arranged on the arrival end (C) of evener (230) or the port of export (B) of evener (230).
The protection device of pressing equipment the most according to claim 1, it is characterised in that: the end that described mechanical switch (400) coordinates with material strip (210) is articulated with rolling member.
5. according to the protection device of the arbitrary described pressing equipment of claim 1-4; it is characterized in that: described material strip (210) is positioned at the top side of the mechanical switch (400) of protection device, material strip (210) is pressed in the driving plate (412) of mechanical switch (400) and above contacts cooperation with mechanical switch (400).
6. according to the protection device of the arbitrary described pressing equipment of claim 1-4; it is characterized in that: described material strip (210) is positioned at contact bar (421) downside of the mechanical switch (400) of protection device; coordinate with bar (421) contact that contacts of mechanical switch (400), stop that the contact bar (421) of mechanical switch (400) falls.
The protection device of pressing equipment the most according to claim 5, it is characterized in that: described driving plate (412) includes contacting the pressure portion (412a) coordinated with material strip (210), the rotation section (412b) being connected with the housing (411) of mechanical switch (400) and the connecting portion (412c) connected between pressure portion (412a) and rotation section (412b), connecting portion (412c) coordinates control mechanical switch (400) break-make with the trigger unit (415) on mechanical switch (400), it is provided with reaction spring (414) between the housing (411) of connecting portion (412c) and mechanical switch (400).
The protection device of pressing equipment the most according to claim 6, it is characterized in that: described material strip (210) is positioned at mechanical switch (400) downside, described mechanical switch (400) includes contact bar (421) and the contact plate (422) being electrically connected to each other, contact bar (421) is provided with the insulation division (4211) for electric insulation, contact bar (421) one end is against the top side of material strip (210) and electrically connects with contact plate (422), when material strip (210) is walked to the greatest extent, insulation division (4211) falls to contacting with contact plate (422) with contact bar (421).
The protection device of pressing equipment the most according to claim 8; it is characterized in that: described contact plate (422) is provided with for contacting the contact hole (4221) that bar (421) passes; contact hole (4221) is provided with to extend along contact bar (421) axis and forms and the contact ring (4222) contacting the loop configuration that bar (421) electrically connects, and contact ring (4222) sidewall uses the elastic construction of bending in ring.
10. according to the protection device of the arbitrary described pressing equipment of claim 1-4, it is characterised in that: described mechanical switch (400) can access in the current supply circuit of pressing equipment (100)；Or, in described mechanical switch (400) Access Control circuit, control circuit is accessed in the current supply circuit of pressing equipment (100) by the break-make of the current supply circuit of Control pressing equipment, relay.
CN201620372931.9U 2016-04-28 2016-04-28 The protection device of pressing equipment Active CN205702223U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620372931.9U CN205702223U (en) 2016-04-28 2016-04-28 The protection device of pressing equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620372931.9U CN205702223U (en) 2016-04-28 2016-04-28 The protection device of pressing equipment

Publications (1)

Publication Number Publication Date
CN205702223U true CN205702223U (en) 2016-11-23

Family

ID=57291502

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201620372931.9U Active CN205702223U (en) 2016-04-28 2016-04-28 The protection device of pressing equipment

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CN (1) CN205702223U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114210800A (en) * 2021-11-24 2022-03-22 乐清市嘉得电子有限公司 A punch press machine for connector terminal production

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114210800A (en) * 2021-11-24 2022-03-22 乐清市嘉得电子有限公司 A punch press machine for connector terminal production
CN114210800B (en) * 2021-11-24 2024-04-16 乐清市嘉得电子有限公司 Punch press for connector terminal production

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TR01 Transfer of patent right

Effective date of registration: 20220622

Address after: 325000 Lucheng District market supervision and Administration Bureau, Wenzhou City, Zhejiang Province

Patentee after: Wenzhou normal intellectual property service Co.,Ltd.

Address before: No.1 Zhengtai Road, Zhengtai Industrial Park, beibaixiang Town, Yueqing City, Zhejiang Province

Patentee before: ZHEJIANG CHINT ELECTRICS Co.,Ltd.

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EE01 Entry into force of recordation of patent licensing contract

Assignee: Yueqing Xinma Electric Co.,Ltd.

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Denomination of utility model: Protection device of stamping equipment

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Denomination of utility model: Protection device of stamping equipment

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Assignee: Zhejiang Erkong Electric Co.,Ltd.

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Contract record no.: X2022330000552

Denomination of utility model: Protection device of stamping equipment

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License type: Common License

Record date: 20221016

Assignee: ZHEJIANG JIUZHI ELECTRIC Co.,Ltd.

Assignor: Wenzhou normal intellectual property service Co.,Ltd.

Contract record no.: X2022330000553

Denomination of utility model: Protection device of stamping equipment

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License type: Common License

Record date: 20221016

Assignee: Yueqing Jinguang Electronics Factory

Assignor: Wenzhou normal intellectual property service Co.,Ltd.

Contract record no.: X2022330000554

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License type: Common License

Record date: 20221016

Assignee: Wenzhou Xinxin Electrical Appliance Factory

Assignor: Wenzhou normal intellectual property service Co.,Ltd.

Contract record no.: X2022330000572

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Record date: 20221016

Assignee: Yueqing Nantai Electric Co.,Ltd.

Assignor: Wenzhou normal intellectual property service Co.,Ltd.

Contract record no.: X2022330000571

Denomination of utility model: Protection device of stamping equipment

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Record date: 20221016

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Assignor: Wenzhou normal intellectual property service Co.,Ltd.

Contract record no.: X2022330000570

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Assignor: Wenzhou normal intellectual property service Co.,Ltd.

Contract record no.: X2022330000563

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Record date: 20221016

Assignee: Yueqing Yongjin Electrical Accessories Factory

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Contract record no.: X2022330000578

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License type: Common License

Record date: 20221016

Assignee: Konida Electric Co.,Ltd.

Assignor: Wenzhou normal intellectual property service Co.,Ltd.

Contract record no.: X2022330000546

Denomination of utility model: Protection device of stamping equipment

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License type: Common License

Record date: 20221014

Assignee: Wenzhou Weilin Electric Appliance Co.,Ltd.

Assignor: Wenzhou normal intellectual property service Co.,Ltd.

Contract record no.: X2022330000573

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Contract record no.: X2022330000574

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Contract record no.: X2022330000590

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Record date: 20221017

Assignee: YUEQING ZHENHONG SWITCH Co.,Ltd.

Assignor: Wenzhou normal intellectual property service Co.,Ltd.

Contract record no.: X2022330000589

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Record date: 20221017

Assignee: Yueqing Haoyi Electric Appliance Co.,Ltd.

Assignor: Wenzhou normal intellectual property service Co.,Ltd.

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Record date: 20221017

Assignee: Wenzhou Ziyao Electric Co.,Ltd.

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Record date: 20221017

Assignee: ZHEJIANG TAIJIAHE ELECTRIC APPLIANCE CO.,LTD.

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Contract record no.: X2022330000585

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Record date: 20221017

Assignee: Yueqing Xuhua Electric Appliance Co.,Ltd.

Assignor: Wenzhou normal intellectual property service Co.,Ltd.

Contract record no.: X2022330000586

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Record date: 20221017

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Assignee: Zhejiang Jin'an Electric Co.,Ltd.

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Contract record no.: X2022330000592

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License type: Common License

Record date: 20221020

Assignee: Zhejiang Shenghe Electric Appliance Co.,Ltd.

Assignor: Wenzhou normal intellectual property service Co.,Ltd.

Contract record no.: X2022330000595

Denomination of utility model: Protection device of stamping equipment

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License type: Common License

Record date: 20221020

Assignee: Zhejiang Hengna Electric Co.,Ltd.

Assignor: Wenzhou normal intellectual property service Co.,Ltd.

Contract record no.: X2022330000594

Denomination of utility model: Protection device of stamping equipment

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License type: Common License

Record date: 20221020

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Assignee: Yueqing Jianxin Standard Parts Factory

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Contract record no.: X2022330000618

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Record date: 20221025

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Address after: Room 509, 5th Floor, Building 2, Zhongtai IoT Sensor Industrial Park, No.1 Changdong Road, Liushi Town, Leqing City, Wenzhou City, Zhejiang Province, 325603

Patentee after: Wenzhou normal intellectual property service Co.,Ltd.

Country or region after: China

Address before: 325000 Lucheng District market supervision and Administration Bureau, Wenzhou City, Zhejiang Province

Patentee before: Wenzhou normal intellectual property service Co.,Ltd.

Country or region before: China